On performing a borax-bead test with a given inorganic mixture for qua – McqOptions

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1.	On performing a borax-bead test with a given inorganic mixture for qualitative analysis, the colour of the bead was found to be emerald green both in oxidising and reducing flame. It indicates the possibility of the presence of[MP PMT 2001]
A.	\[C{{o}^{+2}}\]
B.	\[N{{i}^{+2}}~~~~~~\]
C.	\[C{{r}^{+3}}\]
D.	\[C{{u}^{+2}}\]
Answer» D. \[C{{u}^{+2}}\]

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